Finding the Fourth Proportional to 2,586,364.73, 3,569,293.62 and 1,440,445.09
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Solution
The fourth proportional to 2,586,364.73, 3,569,293.62 and 1,440,445.09 is: 1,987,875.65
Step by Step Solution
- Step 1: Write the proportion equation
2,586,364.73 : 3,569,293.62 = 1,440,445.09 : x - Step 2: Convert to fraction form
2,586,364.73/3,569,293.62 = 1,440,445.09/x - Step 3: Cross multiply
2,586,364.73x = 3,569,293.62 × 1,440,445.09 - Step 4: Simplify right side
2,586,364.73x = 5,141,371,469,697.33 - Step 5: Solve for x
x = 5,141,371,469,697.33/2,586,364.73 - Step 6: Final answer
x = 1,987,875.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.